Jointly optimized error-feedback and realization for roundoff noise minimization in state-space digital filters

Abstract

Roundoff noise (RN) is known to exist in digital filters and systems under finite-precision operations and can become a critical factor for severe performance degradation in infinite impulse response (IIR) filters and systems. In the literature, two classes of methods are available for RN reduction or minimization-one uses state-space coordinate… (More)
DOI: 10.1109/TSP.2005.847847

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